<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格中的colspan</title>
</head>
<body>
    <table border="1" width="500" align="center">
    <tr>
        <td rowspan="2">内容01</td>
        <td colspan="2">内容02</td>
        <!-- <td>内容03</td> -->
    </tr>
    <tr>
        <!-- <td>内容01</td> -->
        <td>内容02</td>
        <td>内容03</td>
    </tr>
    <tr align="center">
        <td colspan="3">内容01&nbsp;</td>
        <!-- <td>内容02</td> -->
        <!-- <td>内容03</td> -->
    </tr></table> 
</body>
</html>